//#include<iostream>
//#include<string>
//#include<vector>
////#include<>
//using namespace std;
//
//class person
//{
//private:
//public:
//protected:
//	char name[10];
//};
//
//class student : person
//{
//
//};
//
//int main()
//{
//
//	return 0;
//}